<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<link rel="stylesheet" href="../libs/bootstrap/css/bootstrap.min.css">
<body>
<img src="https://static.bootcss.com/www/assets/img/codeguide.png?1497297020338" alt="" title="这是一个图片">
</body>
</html>